Thin Plate versus Thick Plate Option |
  
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Thin Plate versus Thick Plate Option |
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The option to select the plate bending formulation for shells is located in the Analysis Options dialog, which can be opened by clicking Analysis > Analysis Options.
By default, the program uses the MITC4 for shell bending formulation. The MITC4 is a thick plate formulation that accounts for the out-of-plane shear deformation.
However, if the shell elements are all rectangular, you may use the classical Kirchhoff plate bending formulation. The Kirchhoff plate element is a thin plate formulation that ignores out-of-plane shear deformation.
